JEE Main 2022 · 24 Jun · Shift 1 · Chemistry Q86

ChemistryInteger+4 / -1Question 86 of 90

The difference in oxidation state of chromium in chromate and dichromate salts is ______.

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Oxidation states. In $\mathrm{CrO_4^{2-}}$ : $x-8=-2$ , $x=+6$ . In $\mathrm{Cr_2O_7^{2-}}$ : $2x-14=-2$ , $x=+6$ .

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JEE Main 2022 · 24 Jun · Shift 1, Chemistry question 86